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Finding the Fourth Proportional to 27,205.61, 40,800.17 and 9,674.51

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Solution

The fourth proportional to 27,205.61, 40,800.17 and 9,674.51 is: 14,508.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,205.61 : 40,800.17 = 9,674.51 : x
  2. Step 2: Convert to fraction form
    27,205.61/40,800.17 = 9,674.51/x
  3. Step 3: Cross multiply
    27,205.61x = 40,800.17 × 9,674.51
  4. Step 4: Simplify right side
    27,205.61x = 394,721,472.85
  5. Step 5: Solve for x
    x = 394,721,472.85/27,205.61
  6. Step 6: Final answer
    x = 14,508.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.